Expires vs max-age, which one takes priority if both are declared in a HTTP response?

Question

If a HTTP response that returns both Expires and max-age indications which one is used?

Cache-Control: max-age=3600
Expires: Tue, 15 May 2008 07:19:00 GMT
         


        

Answer 1

This case is explained in the official RFC on W3C.

The max-age directive takes priority over Expires